Most refrigerators run on electricity.
Of course, at the other end, something else is used to create that electric energy.
Nowadays, most refrigerators use electrical energy.
Nowadays, refrigerators are normally designed to use electrical energy.
That is called "heat energy".
Chemical energy
A side by side refrigerator will allow you to store many items in the door. This type of refrigerator will work in small kitchens. Typically, top-mounted freezers use less energy.
None.
it is potential or chemical
Refrigerators run on electricity.
A refrigerator that doesn't use much energy, compared to other refrigerators doing the same job.
Heat engines transform thermal energy to mechanical energy. A refrigerator is a device that transfers thermal energy from inside the refrigerator to the room outside.
Most of the devices that we use in society is a kind of mechanical energy. Mechanical energy is the energy of the other. Elevators. Convert electrical energy into mechanical. The car. Converted to mechanical energy is fossil. A bicycle. Muscular body converts energy to mechanical energy.
I think the kind of energy you are looking for is mechanical energy.